# a = not True
# if a is True:
#     print("1")
# else:
#     print("2")


# num = 1
# sum = 0
#
# while num <= 100:
#     sum += num
#     num += 1
#
#
# print('打印1--100的和：%d' % sum)

# num = 1
# sum = 0
#
# while num <= 100:
#     if num % 2 != 0:
#         print(num)
#         sum += num
#     num += 1

i = 1
# sum = 0
# j = 1
while i <= 5:
    # sum += num
    print('* ' * i )
    i += 1
    print('* ' * i )
    i -= 1